Previously, a channel registered in the mux's chanList is not usable until it is established. A malicious peer was able flood the channel's incomingRequests, deadlocking the entire connection. Now, we add an atomic established state, set when a channel becomes usable. Until such...
Vendor
golang vulnerabilities
229 published CVES affecting golang, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 229
- Critical
- 21
- High
- 134
- Medium
- 71
- Low
- 3
- Unscored
- 0
- CISA KEV
- 2
Products
- go 172
- crypto 22
- net 11
- http2 6
- image 6
- text 4
- ssh 3
- tiff 3
- networking 2
- archiver 1
- github.com/golang/glog 1
- github.com/golang/vscode-go 1
- gopls 1
- h2c 1
- hpack 1
- package ssh 1
- protobuf 1
Latest golang CVEs
Newest publication first · page 1 of 10
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HighCVSS 7.5 EPSS 0.43%
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HighCVSS 7.5 EPSS 0.50%
Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. Now, we handle all RFC 4254 channel messages; global requests are handled explicitly. Then, treat all other messages as a protocol error and t...
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MediumCVSS 5.3 EPSS 0.38%
Handshakes which used Encrypted Client Hello could be de-anonymized by a passive network observer due to a disclosure of pre-shared key identities in the unencrypted client hello.
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HighCVSS 7.8 EPSS 0.23%
On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /. For example, 'root.Open("symlink/")' will open "symlink" even when "symlink" is a symb...
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HighCVSS 7.5 EPSS 0.61%
The TIFF decoder can panic when decoding an invalid image with an out-of-bounds strip offset.
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HighCVSS 8.7 EPSS 0.56%
Traefik before 2.10.5 and 3.0.0-beta4 is affected by a denial-of-service vulnerability in HTTP/2 request handling inherited from the Go standard library's HTTP/2 implementation (CVE-2023-44487 / CVE-2023-39325, the 'Rapid Reset' technique). A remote attacker can rapidly create an...
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MediumCVSS 6.1 EPSS 0.26%
Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.
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HighCVSS 8.2 EPSS 1.8%
The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. For example, ToUnicode("xn--example-.com") incorrectly returns the name "example.com" rather than an error. This behavior can lead to privilege escalation in program...
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MediumCVSS 6.1 EPSS 0.26%
Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.
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CVE-2026-25680 Invoking denial of service when parsing arbitrary HTML in golang.org/x/net/html
PublishedMediumCVSS 6.5 EPSS 0.33%Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.
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MediumCVSS 6.1 EPSS 0.24%
Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.
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MediumCVSS 6.1 EPSS 0.22%
Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.
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HighCVSS 7.1 EPSS 0.56%
Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped.
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CriticalCVSS 9.1 EPSS 0.60%
When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload size calculation caused the write loop to spin indefinitely, sending empty packets without making progress. The size comparison now uses int64 to prevent trunca...
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HighCVSS 7.5 EPSS 0.68%
A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now...
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CVE-2026-39829 Invoking pathological RSA/DSA parameters may cause DoS in golang.org/x/crypto/ssh
PublishedHighCVSS 7.5 EPSS 0.47%The RSA and DSA public key parsers did not enforce size limits on key parameters. A crafted public key with an excessively large modulus or DSA parameter could cause several minutes of CPU consumption during signature verification. This could be triggered by unauthenticated clien...
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MediumCVSS 6.5 EPSS 0.28%
An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state...
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MediumCVSS 5.3 EPSS 0.41%
For certain crafted inputs, a 'ed25519.PrivateKey' was created by casting malformed wire bytes, leading to a panic when used.
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CriticalCVSS 9.1 EPSS 0.48%
The Verify() method for FIDO/U2F security key types (sk-ecdsa-sha2-nistp256@openssh.com, sk-ssh-ed25519@openssh.com) did not check the User Presence flag. Signatures generated without physical touch were accepted, allowing unattended use of a hardware security key. To restore the...
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HighCVSS 7.4 EPSS 6.9%
Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.
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CVE-2026-46597 Invoking byte arithmetic causes underflow and panic in golang.org/x/crypto/ssh
PublishedHighCVSS 7.5 EPSS 0.47%An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs.
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CriticalCVSS 9.1 EPSS 0.47%
The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring() now returns a...
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HighCVSS 8.7 EPSS 0.68%
When adding a key to a remote agent constraint extensions such as restrict-destination-v00@openssh.com were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now...
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CVE-2026-39835 Invoking server panic during CheckHostKey/Authenticate in golang.org/x/crypto/ssh
PublishedHighCVSS 7.5 EPSS 0.50%SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil.
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HighCVSS 8.8 EPSS 0.37%
When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succeeded. Returning non-nil Permissions with Par...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.